It's been an interesting year for Apple since the last WWDC, with news about falling stock paired with news about the App Store hitting a 50 billion download milestone and the iPhone's strong showing domestically. But according to Apple CEO Tim Cook's introductory note for WWDC 2013, things are looking great for the Cupertino, California based tech giant.

As you've probably heard, Apple's App Store hit 50 billion downloads on Wednesday, which means we've all been waiting with bated breath to find out who the lucky so-and-so was -- and which app they purchased.

Apple's App Store hit 50 billion downloads a couple of hours ago, and the one lucky user who happened to download the 50 billionth app will be receiving a $10,000 gift card for the App Store. If you happened to be one of the 50 people who downloaded something right after the winner, you'll be getting a $500 gift card as well.

Tomorrow AppyFridays will offer three usually paid apps for free as a part of their April Awesomeness promotion, with this weekend's selection covering search engine customization, unit conversion, and photo editing. This marks the last weekend of their free app promotion for April, but AppyFridays also announced that we'll see more great deals in May.

Every Monday, we'll show you how to do something new and simple with Apple's built-in command line application. You don't need any fancy software, or a knowledge of coding to do any of these. All you need is a keyboard to type 'em out!

Files can often be spoofed on shady download sites, but there’s a simple way to verify not only the integrity of the file, but also that it hasn’t been tampered with during transit over the Internet. MD5, or Message Digest version 5, gives you a condensed version of the file (or a “digest”) that can be compared at point A and B to ensure the file is exactly the same. Continue reading, and we’ll show you how to verify your files using its digital file fingerprint.

You know the drill: Head to the Mozilla.org website and get downloading! But this may be the last time you need to manually refresh Firefox, thanks to version 15 adding the ability to download stealth updates in the background.

Apple took a stance against unsigned applications from third-parties by enabling Gatekeepter in Mountain Lion, which only allows users to download apps via the Mac App Store or verified developers. Fortunately, there's a setting tweak that'll let you change this. Continue reading to learn how you can tweak Gatekeeper.